bang the books
 v.— «When I went to the field, I saw things like voucher fraud and banging the books—which means time and attendance fraud—and some of us were bitterly disappointed about that. But we rationalized that we were fighting a bigger enemy and every [organization] has fraud.» —“A Q&A with Fred Whitehurst, the first FBI whistleblower to go public” by Frederic Whitehurst City Pages (Minneapolis-St. Paul, Minn.) Oct. 6, 2004. (source: Double-Tongued Dictionary)